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//Chapter-11 example 16
//=============================================================================
clc;
clear;
//input data
F = 10*10^9;//operating frequency of radar in Hz
Vo = 3*10^8;//Velocity of EM wave in m/s
Vr = 100;//velocity of car in kmph
//Calculations
lamda = Vo/F;//wavelength in m
Vc = Vr*(5/18);//velocity of car in m/s
Fd = (2*Vc)/lamda;//doppler shift in Hz
//Output
mprintf('Doppler Shift is %g KHz\n Frequency of the Received echo when car is approaching radar is %g Ghz + %g Khz\n Frequency of the Received echo when car is moving away from radar is %g Ghz - %g Khz',Fd/1000,F/10^9,Fd/1000,F/10^9,Fd/1000);
//=================end of program==============================================
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